Dudmaston, Shropshire (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Greenway, Devon (Accredited Museum)
Hill Top, Cumbria (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Tyntesfield, North Somerset
Kingston Lacy Estate, Dorset (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Sunnycroft, Shropshire (Accredited Museum)
Peckover House, Cambridgeshire (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Wightwick Manor, West Midlands (Accredited Museum)